 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 22-Degree Halo Observed from Norfolk, Virginia

   September 16, 2021

    RobBruner_A61041B4-D730-44C3-8211-9072F4E559F7

   Photographer:  Rob Bruner
   Summary Author:  Rob Bruner;  Jim Foster
   Stepping outside from lunch one day earlier this year, I couldn’t help
   but notice this  22-degre solar halo. Circular  halos about the
   Sun (and Moon) are caused by randomly oriented  ice crystals in the
   atmosphere that act like mirrors and prisms to reflect and refract
   light away from the Sun. The 22-degree halo, and in fact all halos, are
    polarized. Note the  contrails at left center, running through
   and tangent to this halo. When looking in the vicinity of the Sun,
   always makes sure to  protect your eyes. Photo taken near Norfolk,
   Virginia on May 2, 2021.
     * Norfolk Virginia Coordinates: 36.8508, -76.2859

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    More...

Atmospheric Effects Links

     *  Atmospheric Optics
     *  Color and Light in Nature
     *  The Colors of Twillight and Sunset
     *  Refraction Index
     *  Image Gallery: Atmospheric Effects
     *  What is a Rainbow?

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   Earth Science Picture of the Day is a service of the  Universities
   Space Research Association.

https://epod.usra.edu
 
